3867638737460 has 48 divisors (see below), whose sum is σ = 8301209616000. Its totient is φ = 1513191740544.

The previous prime is 3867638737433. The next prime is 3867638737463. The reversal of 3867638737460 is 647378367683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867638737463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8000507 + ... + 8470146.

It is an arithmetic number, because the mean of its divisors is an integer number (172941867000).

Almost surely, 2^{3867638737460} is an apocalyptic number.

It is an amenable number.

3867638737460 is an abundant number, since it is smaller than the sum of its proper divisors (4433570878540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3867638737460 is a wasteful number, since it uses less digits than its factorization.

3867638737460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16470920 (or 16470918 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 68.

The spelling of 3867638737460 in words is "three trillion, eight hundred sixty-seven billion, six hundred thirty-eight million, seven hundred thirty-seven thousand, four hundred sixty".